K7I741CX Mainboard
13
Pin
Assignment
Pin
Assignment
1
RIN1
2
RIN3
3
DOUT2
4
DOUT3
5
Ground
6
RIN2
7
DOUT1
8
RIN4
COM
9
-XRI1
10
N/A
IrDA Header: IrDA
The infrared sensing device attached to this header can support to provide wireless infrared. You can
transfer data connectionless to or from the portable device (i.e., laptop, PDA, etc.) which with this
header attached.
Clear CMOS Jumper: Clear CMOS
The “Clear CMOS” function is used when you are unable boot your system and need to reset the
BIOS settings (CMOS settings) back to the manufacturer’s original settings. This is also a way to
reset the system password if you have forgotten it.
Clear CMOS
Assignment
Pin 1-2 Close
Clear CMOS Data
Pin 2-3 Close
Normal (Default)
Note:
Close stands for putting a jumper cap onto two header pins.
1. Turn off your system and disconnect the AC power cable.
2. Set Clear CMOS header to OFF (1-2 Closed).
3. Wait several seconds.
4. Set Clear CMOS header to ON (2-3 closed).
5. Connect the AC power cable and turn on your system.
6. Reset your new password.
Pin
Assignment Pin
Assignment
1 +5V
2 N/A
3 IR_RX
4 Ground
5 IR_TX
The following steps explain how to reset your CMOS
configurations when you forgot a system password.
